20604510

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^2$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 59058720

約数和(自身を除く): 38454210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 67, 85, 90, 102, 134, 135, 153, 170, 201, 255, 270, 306, 335, 402, 459, 510, 603, 670, 765, 918, 1005, 1139, 1206, 1530, 1809, 2010, 2278, 2295, 3015, 3417, 3618, 4489, 4590, 5695, 6030, 6834, 8978, 9045, 10251, 11390, 13467, 17085, 18090, 20502, 22445, 26934, 30753, 34170, 40401, 44890, 51255, 61506, 67335, 76313, 80802, 102510, 121203, 134670, 152626, 153765, 202005, 228939, 242406, 307530, 381565, 404010, 457878, 606015, 686817, 763130, 1144695, 1212030, 1373634, 2060451, 2289390, 3434085, 4120902, 6868170, 10302255, 20604510]

約数ペア:

[(1, 20604510), (2, 10302255), (3, 6868170), (5, 4120902), (6, 3434085), (9, 2289390), (10, 2060451), (15, 1373634), (17, 1212030), (18, 1144695), (27, 763130), (30, 686817), (34, 606015), (45, 457878), (51, 404010), (54, 381565), (67, 307530), (85, 242406), (90, 228939), (102, 202005), (134, 153765), (135, 152626), (153, 134670), (170, 121203), (201, 102510), (255, 80802), (270, 76313), (306, 67335), (335, 61506), (402, 51255), (459, 44890), (510, 40401), (603, 34170), (670, 30753), (765, 26934), (918, 22445), (1005, 20502), (1139, 18090), (1206, 17085), (1530, 13467), (1809, 11390), (2010, 10251), (2278, 9045), (2295, 8978), (3015, 6834), (3417, 6030), (3618, 5695), (4489, 4590)]